this post was submitted on 17 Nov 2025
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A total absense of tech would be bad for a washing machine. With a really simple conductivity sensor (basically just two electrodes on the sides of a plastic pipe) and an opacity sensor (an IR LED and an LDR on opposite sides of a clear pipe), you can measure how much stuff is dissolved in water and how much insoluable stuff is suspended. That then means that you can keep circulating the soapy water until it stops getting dirtier, then keep rinsing it out until it stops getting cleaner, which then means you can have the cycle times adjust themselves to how soiled the load is, instead of just making them as long as the worst case scenario might require and wasting energy, water, and time on an average load.
My husband loves building elecronics. And there's a lot of cool low-tech tech. I feel like basic circuit board stuff should be allowed, as it can be easy to repair if you know how. Just have the schematics available.
The problem for me is when it needs an Internet connection for remote access on top of a lot of flimsy parts that wear out too quickly.
My parents had a washer/dryer combo(LG I think?) that required internet to work at all. They just connected it when they first got it and didn’t realize connectivity was required until there was an internet outage. They promptly replaced it with separate Maytags that’s so far seem to be pretty hardy.